Create a framework to test backward compatibility of various HFileBlock disk
formats
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Key: HBASE-5530
URL: https://issues.apache.org/jira/browse/HBASE-5530
Project: HBase
Issue Type: Improvement
Components: test
Reporter: dhruba borthakur
We currently have major versions 0 and 1. The HBase checksum patch introduces
minor version 0 and 1. Then the columnar HFileBlock might introduce yet another
disk format version. We need a simple but elegant framework to test the
compatibility of code with all these disk format versions. We also want to do
this without much code duplication in TestHFileBlockCompatibility.
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